SC-62 (Paleocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.7° N, 90.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Willwood Formation, Clarkforkian (56.8 - 55.8 Ma)

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 15119: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde, Philip Mannion and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• see note on p. 190
meter level given as 1380 by Gunnell and Gingerich 1991 and Bowen and Bloch 2002, but this is in conflict with fig. 3 of Rose, which indicates a level of 1340 m
Reptilia
 Crocodylia - Alligatoridae
Allognathosuchus wartheni2 Case 1925 crocodilian
 Testudines - Emydidae
Emydidae "indet. B"2 Rafinesque 1815 turtle
 Testudines - Pantrionychidae
Plastomenus sp.2 Cope 1873 turtle
Mammalia
 Cimolesta - Apatemyidae
Labidolemur kayi12 Simpson 1929 eutherian
USNM 530208 (an associated rostrum and basicranium)
 Cimolesta -
"Esthonyx ancylion" = Azygonyx ancylion
"Esthonyx ancylion" = Azygonyx ancylion Gingerich and Gunnell 1979 tillodont
 Cimolesta - Cyriacotheriidae
Cyriacotherium psamminum Rose and Krause 1982 pantodont
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Creodonta - Oxyaenidae
Dipsalodon matthewi8 Jepsen 1930 creodont
Dipsalidictis sp.1 Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Didymictis proteus10 Polly 1997 placental
 Theriamorpha - Phenacodontidae
Phenacodus intermedius13 Granger 1915 condylarth
Ectocion osbornianus Cope 1882 condylarth
 Theriamorpha - Nyctitheriidae
"Leptacodon rosei" = Plagioctenodon rosei7 Gingerich 1987 placental
Plagioctenodon thewisseni9 Manz and Bloch 2015 placental
Ceutholestes dolosus11 Rose and Gingerich 1987 placental
 Primates - Plesiadapidae
Plesiadapis cookei Jepsen 1930 primate
 Primates - Carpolestidae
Carpolestes simpsoni4 Bloch and Gingerich 1998 primate
new specimens
 Primates - Paromomyidae
Acidomomys hebeticus n. gen. n. sp.3 Bloch et al. 2002 primate
paromomyid
Dillerlemur pagei1 Jepsen 1930 primate
Ignacius graybullianus5 Bown and Rose 1976 primate
new specimen
Ignacius clarkforkensis n. sp.6 Bloch et al. 2007 primate